100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package triton
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"github.com/joyent/gocommon/client"
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"github.com/joyent/gosdc/cloudapi"
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"github.com/joyent/gosign/auth"
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"github.com/mitchellh/packer/helper/communicator"
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"github.com/mitchellh/packer/template/interpolate"
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)
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// AccessConfig is for common configuration related to Triton access
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type AccessConfig struct {
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Endpoint string `mapstructure:"triton_url"`
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Account string `mapstructure:"triton_account"`
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KeyID string `mapstructure:"triton_key_id"`
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KeyMaterial string `mapstructure:"triton_key_material"`
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}
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// Prepare performs basic validation on the AccessConfig
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func (c *AccessConfig) Prepare(ctx *interpolate.Context) []error {
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var errs []error
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if c.Endpoint == "" {
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// Use Joyent public cloud as the default endpoint if none is in environment
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c.Endpoint = "https://us-east-1.api.joyent.com"
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}
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if c.Account == "" {
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errs = append(errs, fmt.Errorf("triton_account is required to use the triton builder"))
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}
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if c.KeyID == "" {
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errs = append(errs, fmt.Errorf("triton_key_id is required to use the triton builder"))
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}
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var err error
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c.KeyMaterial, err = processKeyMaterial(c.KeyMaterial)
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if c.KeyMaterial == "" || err != nil {
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errs = append(errs, fmt.Errorf("valid triton_key_material is required to use the triton builder"))
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}
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if len(errs) > 0 {
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return errs
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}
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return nil
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}
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// CreateTritonClient returns an SDC client configured with the appropriate client credentials
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// or an error if creating the client fails.
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func (c *AccessConfig) CreateTritonClient() (*cloudapi.Client, error) {
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keyData, err := processKeyMaterial(c.KeyMaterial)
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if err != nil {
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return nil, err
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}
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userauth, err := auth.NewAuth(c.Account, keyData, "rsa-sha256")
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if err != nil {
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return nil, err
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}
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creds := &auth.Credentials{
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UserAuthentication: userauth,
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SdcKeyId: c.KeyID,
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SdcEndpoint: auth.Endpoint{URL: c.Endpoint},
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}
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return cloudapi.New(client.NewClient(
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c.Endpoint,
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cloudapi.DefaultAPIVersion,
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creds,
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log.New(os.Stdout, "", log.Flags()),
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)), nil
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}
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func (c *AccessConfig) Comm() communicator.Config {
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return communicator.Config{}
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}
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func processKeyMaterial(keyMaterial string) (string, error) {
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// Check for keyMaterial being a file path
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if _, err := os.Stat(keyMaterial); err != nil {
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// Not a valid file. Assume that keyMaterial is the key data
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return keyMaterial, nil
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}
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b, err := ioutil.ReadFile(keyMaterial)
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if err != nil {
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return "", fmt.Errorf("Error reading key_material from path '%s': %s",
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keyMaterial, err)
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}
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return string(b), nil
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}
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